OpenTechnical

OT-2026-000099573

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000099573) never changes.

Identity and time

Publication numberOT-2026-000099573 · never reused
Internal UUID01a0aea2-c975-79d5-9a4b-ba65bbde34e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099573
StatusPUBLIC

Content hashes

Canonical text2d41bf77a4494ad71cdf1e75094d1cde74add28180d63aebbc4b7e8d8bde1938
Markdowncdfaf4203f37c121a31068e4f9ded587c8acb09326b9d613206d06ca097d686a
PDF
Publication pagef31a4b12f818d87d685a661dfe43da32255d782ac32f69d3c97296d0208b6aea
Manifest441a5a25047b23a8b36a6eeb0c3ca9cbafc7be2c37ca87176d4ca0d939b9f0af

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturey8no2Y8Ksnxvipi037VFjbPHnVWnZaP23moa6IB4UAMPVQbbtXcT+ChQEhIfFpcsfS6RfzwLLhgqMiUyeJRsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:29.440624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099573
observed f31a4b12f818d87d685a661dfe43da32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.415345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099573/manifest.json
observed 441a5a25047b23a8b36a6eeb0c3ca9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.394486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099573/publication.md
observed cdfaf4203f37c121a31068e4f9ded587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.376097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099573/publication.txt
observed 2d41bf77a4494ad71cdf1e75094d1cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.